National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Grand Coulee Dam Airport (K3W7)

Lat: 47.92205°NLon: 119.083°WElev: 1593.0ft.

Clear

61°F

16°C

Humidity 44%
Wind Speed N 0 MPH
Barometer 30.1 in (1019.3 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 02 Aug 09:15 AM PDT
Extended Forecast for

Grand Coulee WA

  • Today

    Today: Widespread haze before 5pm. Widespread smoke between 2pm and 3pm. Sunny, with a high near 79. West wind around 9 mph, with gusts as high as 18 mph.

    High: 79 °F

    Haze

  • Tonight

    Tonight: A slight chance of sprinkles before 11pm. Widespread haze between 7pm and 8pm. Widespread smoke after 8pm. Mostly clear, with a low around 56. Northwest wind 8 to 13 mph, with gusts as high as 22 mph.

    Low: 56 °F

    Slight Chance
    Sprinkles
    then Smoke

  • Monday

    Monday: Widespread haze before 4pm. Widespread smoke before 11am, then widespread smoke after 4pm. Sunny, with a high near 84. Northwest wind 7 to 9 mph.

    High: 84 °F

    Haze

  • Monday Night

    Monday Night: Mostly clear, with a low around 59. North wind 3 to 6 mph.

    Low: 59 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 89. North wind around 7 mph.

    High: 89 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 65.

    Low: 65 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 96.

    High: 96 °F

    Hot

Detailed Forecast

Today
Widespread haze before 5pm. Widespread smoke between 2pm and 3pm. Sunny, with a high near 79. West wind around 9 mph, with gusts as high as 18 mph.
Tonight
A slight chance of sprinkles before 11pm. Widespread haze between 7pm and 8pm. Widespread smoke after 8pm. Mostly clear, with a low around 56. Northwest wind 8 to 13 mph, with gusts as high as 22 mph.
Monday
Widespread haze before 4pm. Widespread smoke before 11am, then widespread smoke after 4pm. Sunny, with a high near 84. Northwest wind 7 to 9 mph.
Monday Night
Mostly clear, with a low around 59. North wind 3 to 6 mph.
Tuesday
Sunny, with a high near 89. North wind around 7 mph.
Tuesday Night
Mostly clear, with a low around 63.
Wednesday
Sunny, with a high near 94.
Wednesday Night
Mostly clear, with a low around 65.
Thursday
Sunny and hot, with a high near 96.
Thursday Night
Mostly clear, with a low around 66.
Friday
Sunny, with a high near 94.
Friday Night
Mostly clear, with a low around 65.
Saturday
Sunny, with a high near 91.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Grand Coulee WA
 47.94°N 119.02°W (Elev. 1601 ft)
Last Update:
2:06 am PDT Aug 2, 2026
Forecast Valid:
9am PDT Aug 2, 2026-6pm PDT Aug 8, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation